MDC Max Dätwyler AG is a Swiss manufacturing company established at Dietlikon

Dietlikon

Dietlikon is a municipality in the district of Bülach in the canton of Zürich in Switzerland, and belongs to the Glatt Valley .-Geography:...

 in 1943, and which relocated to Bleienbach

Bleienbach

Bleienbach is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.-Geography:Bleienbach has an area, , of . Of this area, or 57.1% is used for agricultural purposes, while or 33.0% is forested...

 in 1951. Originally, the firm undertook the manufacture and repair of tools and machinery. Aircraft maintenance became an area of specialty, and Dätwyler built two aircraft of its own in the 1960s (based on existing designs by other manufacturers) before developing its own design, the Swiss Trainer that flew in 1983 and has since entered mass production in Malaysia.